How do I target the 4th div (with class .col-sm-3) with CSS in following example?
<footer id="footer">
<div class="container">
<div class="row">
<div class="col-sm-3">...</div>
<div class="col-sm-3">...</div>
<div class="col-sm-3">...</div>
<div class="col-sm-3">...</div>
</div> <!--/.row-->
</div> <!--/.container-->
</div> <!--/#footer-->
Thank you!